1N5239B TR

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Diodes, also known as rectifiers, are electronic components whose task is to pass electrical current in one direction and block it in the opposite direction. They are the essential components for a variety of electric devices and are essential for voltage regulation and signal rectification. The 1N5239B TR SOT-523 is a small signal double Zener diode in a tiny SOT-523 surface-mount package, designed to provide a low voltage clamp throughout a wide range of current conditions and tempeatures. Unlike other diodes, Zener diodes are designed to allow current to flow in both directions, but in the reverse direction, it will still be clamped to a certain voltage. This makes Zener diodes the ideal choice for voltage regulation in electronics components. The 1N5239B TR is a single Zener diode that delivers superior performance and a wide range of operating voltages. The operating temperature range is from -55°C to +150°C, and the peak power dissipation is 300mW. It is especially suitable for use in circuits commonly employed in low voltage rectification, voltage reference, and voltage protection applications.The 1N5239B TR has a MAXIMUM REVERSE STANDOFF RATIO -- 45V, with a TEST CURRENT that is 1mA. It enables high temperature performance and superior reliability with a maximum leakage current of 1µA. With a capacitance of 10pF, the 1N5239B TR can be used to easily suppress noise in signal lines.The working principle behind a single Zener diode is similar to that of a normal diode, except that it carries a reverse breakdown voltage. When the voltage reaches the Zener voltage, the current flow increases dramatically and the device behaves like a low-resistance conducting path. This essentially clamps the voltage at the breakdown voltage, allowing the voltage at the output to remain rather stable and constant. This makes a single Zener diode particularly useful in power supply designs. For example, when the output voltage reaches a certain upper limit, the Zener diode will quickly conduct and draw excess current, thus suppressing any further increase in voltage. Conversely, when the output voltage drops below the breakdown voltage, the Zener diode will stop conduction, and the power supply voltage will remain stable. This is why single Zeners are often employed in power supplies to maintain a constant, and stable, output voltage. Because of their reliable performance and wide range of operating voltages, single Zener diodes, like the 1N5239B TR, can be used to set bias points in analog circuits, and to help maintain a steady reference voltage. They can also be used to protect voltage sensitive components from downstream voltage spikes, or as part of a voltage regulator circuit. The 1N5239B TR is an ideal choice for voltage regulation in low voltage applications. With a low leakage current, a high voltage reverse breakdown voltage, and a wide range of operating temperatures, the 1N5239B TR delivers superior performance and reliability.

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